PNG ICO ICNS MORE
Mobile apps
Flat
Squareplex
powerpoint
Coral
512x512
Firefox
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Desktop apps
Plex for Android
96x96
Rss
72x72
Flags
2400 flags
India
64x64
Mixed
Google icons
blogger
256x256
Metro UI Dock
Mirror, media, windows
640x640
Mirror, google, blogger
media, windows, player
blogger, google
Appicns
mozilla, Browser, Firefox
513x513